tube hole

tube hole

[′tüb ‚hōl]
(engineering)
A hole in a tube sheet through which a tube is passed prior to sealing.
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References in periodicals archive ?
35 thousandths) from the front of the receiver would allow the nut to screw on far enough to align the notches with the gas tube hole.
The reason for this wide torque range is to align the notches in the barrel nut with the gas tube hole in the front of the receiver.
You want to avoid enlarging that gas tube hole unless it fails to line up because its size is set to meter the right amount of gas back to the bolt carrier key.
The barrel nut has 20 dished cutouts or holes that align with the gas tube hole in the upper receiver.
aerophagia from soda to the cone to the tube hole bulb, tawny from which
If the tube hole is worn, you'll need to replace the entrenching tool.
This allows the nut notches to align with the gas tube hole in the front of the receiver.
The reason for this wide torque range is to allow the notches in the nut to align with the gas tube hole in the receiver.
It will take a good deal of pressure to secure a barrel from slipping when an inordinate amount of pressure has to be applied to a barrel nut to align a stubborn gas tube hole.
On the final tightening, alignment of the gas tube hole is checked in the barrel nut with gas tube hole in the upper receiver.
Even though this AR-15 does not feature a gas tube that passes through the notches in the barrel nut, the notches still have to be lined up with the gas tube hole in the front of the receiver.